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Table 2 Geometric mean and 5-, 95% values for whole blood OC and Pb by covariates.

From: Immune function biomarkers in children exposed to lead and organochlorine compounds: a cross-sectional study

  Category (n) DDE (μg/L) Sum of PCBs (μg/L) HCB (μg/L) γ-HCH (μg/L) Pb (μg/L)
Gender Girls (143) 0.32 (0.13 – 1.07) 0.43 (0.16 – 1.39) 0.21 (0.11 – 0.48) 0.02 (0.01 – 0.06) 25.4 (11.0 – 4 3.8)
  Boy (188) 0.31 (0.13 – 0.96) 0.54 (0.19 – 1.66) 0.23 (0.11 – 0.54) 0.02 (0.01 – 0.04) 27.8 (14.8 – 48.2)
Age-groups 7 years (153) 0.32 (0.13 – 0.97) 0.54 (0.18 – 1.90) 0.23 (0.11 – 0.56) 0.02 (0.01 – 0.06) 27.3 (13.9 – 48.2)
  8 years (166) 0.31 (0.13 – 0.98) 0.47 (0.18 – 1.29) 0.21 (0.11 – 0.48) 0.02 (0.01 – 0.05) 26.4 (10.7 – 47.8)
  9–10 years (12) 0.31 (0.20 – 0.84) 0.33 (0.10 – 0.99) 0.17 (0.10 – 0.46) 0.02 (0.01 – 0.06) 25.4 (16.6 – 39.4)
Passive smoking in the child's home during the last 12 months (cigarettes per day) None (220) 0.35 (0.14 – 1.08) 0.57 (0.21 – 1.70) 0.24 (0.11 – 0.55) 0.02 (0.01 – 0.06) 26.5 (10.1 – 47.4)
  1 – 10 (84) 0.26 (0.12 – 0.88) 0.39 (0.17 – 1.02) 0.19 (0.11 – 0.45) 0.02 (0.01 – 0.05) 26.0 (16.0 – 43.0)
  11 – 20 (18) 0.27 (0.09 – 0.69) 0.40 (0.13 – 1.29) 0.18 (0.10 – 0.49) 0.02 (0.01 – 0.04) 33.5 (18.9 – 113.7)
  21 – 30 (8) 0.23 (0.13 – 1.11) 0.27 (0.18 – 0.34) 0.15 (0.11 – 0.21) 0.02 (0.01 – 0.04) 30.1 (19.4 – 47.3)
Number of infections during the last 12 months None (19) 0.60 (0.16 – 4.02) 0.49 (0.10 – 2.24) 0.21 (0.10 – 0.58) 0.02 (0.01 – 0.08) 28.8 (15.9 – 58.7)
  1 to < 5 (247) 0.31 (0.13 – 0.94) 0.49 (0.18 – 1.39) 0.22 (0.11 – 0.48) 0.02 (0.01 – 0.06) 26.2 (10.7 – 46.7)
  5–10 (57) 0.29 (0.13 – 0.79) 0.53 (0.19 – 2.21) 0.23 (0.11 – 0.70) 0.02 (0.01 – 0.04) 27.9 (16.0 – 47.8)
  >10 (7) 0.25 (0.16 – 0.43) 0.56 (0.34 – 0.87) 0.21 (0.15 – 0.27) 0.02 (0.01 – 0.05) 33.4 (26.2 – 48.5)